ci: version the deps cache key #5

	name: CI

	on:
	push:
	branches: [main]
	pull_request:

	permissions:
	contents: read

	jobs:
	ci:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	include:
	- elixir: "1.19"
	otp: "26"
	- elixir: "1.20"
	otp: "27"
	steps:
	- uses: actions/checkout@v4

	- uses: erlef/setup-beam@v1
	with:
	elixir-version: ${{ matrix.elixir }}
	otp-version: ${{ matrix.otp }}

	- uses: actions/cache@v4
	with:
	path: \|
	deps
	_build
	key: ${{ runner.os }}-mix-1.20-27-${{ hashFiles('**/mix.lock') }}
	restore-keys: ${{ runner.os }}-mix-

	- uses: actions/cache@v4
	with:
	path: ~/.mix/plts
	key: ${{ runner.os }}-plts-${{ matrix.elixir }}-${{ matrix.otp }}-${{ hashFiles('mix.exs') }}

	- name: Fetch dependencies
	run: mix deps.get

	- name: Quality gates
	run: mix ci

	coverage:
	runs-on: ubuntu-latest
	permissions:
	contents: read
	pull-requests: write
	steps:
	- uses: actions/checkout@v4

	- uses: erlef/setup-beam@v1
	with:
	elixir-version: "1.20"
	otp-version: "27"

	- uses: actions/cache@v4
	with:
	path: \|
	deps
	_build
	key: ${{ runner.os }}-mix-1.20-27-${{ hashFiles('**/mix.lock') }}
	restore-keys: ${{ runner.os }}-mix-

	- name: Fetch dependencies
	run: mix deps.get

	- name: Generate coverage report
	env:
	MIX_ENV: test
	run: mix coveralls.cobertura

	- name: Upload coverage artifact
	uses: actions/upload-artifact@v4
	with:
	name: cobertura.xml
	path: cover/cobertura.xml

	- name: Comment coverage summary on pull request
	if: github.event_name == 'pull_request'
	uses: irongut/CodeCoverageSummary@v1.3.0
	with:
	filename: cover/cobertura.xml
	badge: true
	format: markdown
	output: both

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